RIO GRANDE FLOW / RESERVOIR CONDITIONS
The Rio Grande Flow Conditions are updated daily, Monday thru Friday at
approximately 9:35 am Mountain Time/10:35 am Central Time.
Previous Reports
The following data are Provisional and are subject to revision.  Stage and flow determinations are made
for river conditions at approximately 7:00 am to 8:00 am Standard Time unless otherwise indicated.
	DATE	STAGE	DISCHARGE	RAINFALL	WEB
		METERS	CMS	MM	LINK
RG BELOW CABALLO DAM	8-Dec-25		0.03
RG AT EL PASO	8-Dec-25	0.576	0.20		8364000
RG BELOW AMERICAN DAM	8-Dec-25	1.530	0.64		8365000
AMERICAN CANAL	8-Dec-25	0.409	0.03		8364500
RG AT FORT QUITMAN	8-Dec-25	2.559	1.66		8370500
RG ABOVE RIO CONCHOS	8-Dec-25	1.999	0.00		8371500
RG BELOW RIO CONCHOS	8-Dec-25	0.598	0.95		8374200
RG AT JOHNSON RANCH	8-Dec-25	0.991	0.41		8375000
RG AT FOSTER RANCH	8-Dec-25	0.439	6.01		8377200
PECOS NEAR LANGTRY	8-Dec-25	0.472	2.18		8447410
DEVILS AT PAFFORD	8-Dec-25	0.645	3.06		8449400
AMISTAD DAM
RG AT DEL RIO	8-Dec-25	0.411	5.66		8451800
RG AT EAGLE PASS	8-Dec-25	1.048	33.20		8458000
RG NEAR EL INDIO	8-Dec-25	1.835	27.94		8458700
RG AT COLOMBIA	8-Dec-25	2.003	23.10		8458800
RG AT LAREDO	8-Dec-25	0.400	16.10		8459000
FALCON DAM
RG AT RIO GRANDE CTY	8-Dec-25	7.151	18.80		8464700
RG BL ANZALDUAS DAM	8-Dec-25	23.970	19.20		8469200
RG AT SAN BENITO	8-Dec-25	10.613	8.05		8473700
RG AT BROWNSVILLE	8-Dec-25	0.960	5.37		8475000
ANZALDUAS SALINITY	8-Dec-25	30.705	840	PPM
STORED WATER IN LARGE RESERVOIRS OF THE RIO GRANDE BASIN
(Capacities and Storages in Million M3, Elevations in Meters)
Reservoir                     Date	Hour	Normal	Flood	Current		24-hr
		Cons.	Control	Elev.	Storage	Storage
		Capacity	Capacity		(% Cons.)	Change
ELEPHANT BUTTE									Criteria Checks
8-Dec-25	0:00	2496	2496	##########	########
					(-86010667%)				1	0
CABALLO
8-Dec-25	0:00	280	403	1260.150	19	0
					(7%)				1	0
AMISTAD - 08450800
8-Dec-25	0:00	3980	6056	321.920	946	0
Requested	6:00	U.S.	15.00	CMS	(24%)				0	1
Release		MEX.	3.00	CMS
FALCON - 08461200
8-Dec-25	0:00	3289	3923	77.415	354	0
Requested	6:00	U.S.	10.00	CMS	(11%)				0	1
Release		MEX.	8.00	CMS
STORED WATER IN LARGE RESERVOIRS OF THE COLORADO BASIN
(Capacities and Storages in 1000 Acre-Feet, Elevations in Feet)
Reservoir                     Date	Hour	Total Capacity		Current		24-hr
				Elev.	Storage	Storage
						Change
LAKE POWELL
8-Dec-25	0:00	25,160		3542.56	6,612	-6
LAKE MEAD
8-Dec-25	0:00	28,945		1059.89	8,415	12
MEXICAN RESERVOIRS
(Storages in Million M3, Elevations in Meters, Releases in CMS)
Reservoir                     Date	Normal	Flood	Current		Spill	Percent
	Cons.	Control	Chg in Sto.	Storage	or	of
	Capacity	Capacity			Release	Cons.
RIO CONCHOS BASIN
SAN GABRIEL
12/8/25 0:00	245	377	0.000	100.199	0.000	41%
BOQUILLA
12/8/25 0:00	2847	3208	0.000	1092.069	1.300	38%
F.I. MADERO
12/8/25 0:00	333	456	0.000	232.582	0.000	70%
PICO DEL AGUILA
12/8/25 0:00	48	89	0.000	35.504	0.000	74%
CHIHUAHUA
12/8/25 0:00	23	36	-0.058	12.457	0.090	53%
EL REJON
12/8/25 0:00	7	8	-0.010	2.856	0.000	44%
LUIS L. LEON
12/8/25 0:00	284	825	0.000	141.664	0.000	50%
RIO SAN DIEGO BASIN
CENTENARIO
12/8/25 0:00	25	26	0.000	7.184	0.000	29%
SAN MIGUEL
12/8/25 0:00	21	22	0.071	15.745	0.000	74%
RIO SAN RODRIGO BASIN
LA FRAGUA
12/8/25 0:00	47	85	0.000	35.246	0.000	75%
RIO SALADO BASIN
VENUSTIANO CARRANZA
12/8/25 0:00	874	1322	0.000	117.196	0.000	13%
RIO ALAMO BASIN
LAS BLANCAS
12/8/25 0:00	84	134	-0.039	23.160	0.300	28%
RIO SAN JUAN BASIN
EL CUCHILLO
12/8/25 0:00	1123	1784	0.000	916.479	8.098	82%
MARTE GOMEZ
12/8/25 0:00	782	2209	0.000	699.886	10.000	90%
Contributions from Rio Alamo and Rio San Juan to the Rio Grande are allotted 100% to Mexico per 1944 Treaty
article 4 (a)
** Usable storage is an estimate of waters in storage which could be released through existing outlet works.